EP0370727A1 - Enceinte pour appareil électrique et/ou électronique - Google Patents

Enceinte pour appareil électrique et/ou électronique Download PDF

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Publication number
EP0370727A1
EP0370727A1 EP89311999A EP89311999A EP0370727A1 EP 0370727 A1 EP0370727 A1 EP 0370727A1 EP 89311999 A EP89311999 A EP 89311999A EP 89311999 A EP89311999 A EP 89311999A EP 0370727 A1 EP0370727 A1 EP 0370727A1
Authority
EP
European Patent Office
Prior art keywords
enclosure
swing frame
respect
side wall
pivotally mounted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP89311999A
Other languages
German (de)
English (en)
Inventor
Olav Tidlund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Balfour Beatty PLC
Original Assignee
BICC PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BICC PLC filed Critical BICC PLC
Publication of EP0370727A1 publication Critical patent/EP0370727A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor

Definitions

  • This invention relates to cabinets, cases and other enclosures housing electrical and/or electronic apparatus.
  • the invention is particularly concerned with enclosures of this kind in which electrical and/or electronic apparatus is directly or indirectly supported on a frame which is separately formed with respect to the enclosure and which is pivotally mounted with respect to a side wall of the enclosure about a substantially vertical axis adjacent to the side wall near the front face of the enclosure.
  • a frame which is separately formed with respect to the enclosure and which is pivotally mounted with respect to a side wall of the enclosure about a substantially vertical axis adjacent to the side wall near the front face of the enclosure.
  • a frame will hereinafter be referred to as a "swing frame”.
  • the internal width of the enclosure has to be such as to allow the supplementary casing, the horizontal shelf and/or the apparatus supported by the swing frame to pass freely through the open front face of the enclosure when the swing frame is partially rotated about its vertical pivotal axis to render the apparatus supported by the swing frame readily accessible.
  • the greater the depth of the supplementary casing, the horizontal shelf and/or the apparatus supported by a swing frame the greater the distance by which the internal width of the enclosure must exceed the width of the swing frame.
  • an enclosure housing a swing frame as hitherto proposed and used has three major disadvantages.
  • the additional material employed in making the enclosure of sufficient width to accommodate free pivotal movement of the swing frame and the apparatus it supports is responsible for a substantial proportion of the overall cost of the enclosure; and, thirdly, the excessive floor area taken up by the enclosure is expensive, especially in office or factory accommodation where the rent or rates per square unit area is high.
  • the improved swing frame is pivotally mounted with respect to a side wall of the enclosure by at least one hinge assembly comprising at least one substantially rigid elongate link which, at one of its ends, is pivotally mounted with respect to said side wall about a fixed substantially vertical axis (hereinafter referred to as the "fixed pivotal axis") adjacent said side wall and near the front face of the enclosure and which, at the other of its ends, is pivotally mounted with respect to the swing frame about a substantially vertical axis fixed with respect to the swing frame (hereinafter referred to as the "movable pivotal axis") at or near the adjacent corner of the swing frame.
  • a fixed substantially vertical axis hereinafter referred to as the "fixed pivotal axis”
  • the swing frame is first drawn forward towards the front face of the enclosure with the front face of the swing frame substantially parallel to the front face of the enclosure so that the or each rigid link of the hinge assembly or assemblies pivots in the same rotational direction both about the fixed pivotal axis and about the movable pivotal axis until the or each rigid link lies substantially parallel to said side wall of the enclosure and then, with the or each rigid link maintained substantially stationary, the swing frame is then rotated with respect to the or each rigid link about the movable pivotal axis to swing the electrical and/or electronic apparatus supported by the frame out of the enclosure and so provide access thereto.
  • the extent to which the internal width of the enclosure must exceed the width of the swing frame is determined by the length of the or each rigid link.
  • the fixed pivotal axis is positioned inwardly from the front face of the enclosure and the or each rigid link is of such a length that, when the link lies substantially parallel to said side wall of the enclosure, the link protrudes beyond the front face of the enclosure and the movable pivotal axis is positioned outside the enclosure.
  • the movable pivotal axis is so fixed with respect to the swing frame that it lies outside the swing frame in a plane bisecting said adjacent corner of the frame.
  • the improved swing frame In addition to enabling the internal width of and the floor area required by an enclosure to be substantially reduced as compared with the internal width of and the floor area required by an enclosure having a swing frame of the same width and supporting the same equipment as the improved swing frame but pivotally mounted with respect to a side wall of the enclosure by hinge assemblies hitherto proposed and used, the improved swing frame also enables a reduction to be made in the amount of material employed in manufacture of the enclosure, thereby reducing manufacturing costs, and a reduction to be made in the volume of space within the enclosure which is not utilised.
  • the invention is further illustrated by a description, by way of example, of a preferred enclosure housing electrical and/or electronic apparatus directly or indirectly supported on the improved swing frame with reference to the accompanying drawing which shows a fragmental plan view of the enclosure and improved swing frame.
  • the preferred enclosure 1 includes a front face 2 and, secured to substantially vertical support members 3 at each side edge of the front face, a pair of opposed substantially parallel side walls 4.
  • Electrical and/or electronic apparatus (not shown) is directly or indirectly supported on the rear face of a swing frame 5 which is separately formed with respect to the enclosure 1 and which is pivotally mounted with respect to the enclosure about vertical axes adjacent one side wall 4 of the enclosure by means of two vertically spaced hinge assemblies 6.
  • Each hinge assembly 6 comprises a rigid elongate link 7 which extends substantially horizontally and which, at one of its ends, is pivotally mounted with respect to one side wall 4 of the enclosure 1 about a fixed pivotal axis 8 adjacent the side wall and near the front face of the enclosure by means of a multi-leaf hinge 9 and, at the other of its ends, is pivotally mounted with respect to the swing frame 5 about a movable pivotal axis 10 fixed with respect to the swing frame 5 and lying outside the swing frame in a plane bisecting the adjacent corner of the frame by means of a multi-leaf hinge 11.
  • Each of the hinges 9 and 11 comprises three leaves pivotally mounted on a vertical rod, the middle leaf of each hinge being secured to the rigid link 7, the upper and lower leaves of the hinge 9 being secured to the support member 3 and the upper and lower leaves of the hinge 11 being secured to a side wall of the swing frame 5.
  • the fixed pivotal axis 8 is so spaced inwardly of the front face 2 of the enclosure 1 that when the rigid link 7 of each hinge assembly 6 lies substantially parallel to the adjacent side wall 4 of the enclosure, the link will protrude beyond the front face of the enclosure and the movable pivotal axis 10, fixed with respect to the swing frame 5, will lie outside the enclosure.
  • the swing frame 5 has protruding from its front face a pair of transversely spaced endless metal loops 12 to which electric cables can be readily secured.
  • the swing frame is first drawn forward towards the front face 2 of the enclosure with the front face of the swing frame substantially parallel to the front face of the enclosure so that each rigid link 7 of the hinge assembly 6 pivots in the same rotational direction about the fixed pivotal axis 8 and about the movable pivotal axis 10 until each rigid link lies substantially parallel to the adjacent side wall 4 of the enclosure. Thereafter, with each rigid link 7 maintained stationary, the swing frame 5 is rotated with respect to each rigid link about the movable pivotal axis 10 to swing the swing frame with the electrical and/or electronic apparatus supported thereon out of the enclosure so as to provide ready access to the apparatus.
  • the extent to which the internal width of the enclosure 1 must exceed the width of the swing frame 5 is determined by the length of each rigid link 7.
  • the internal width of the internal enclosure 1 must be sufficient to enable the swing frame 5 to move forward towards the front face 2 of the enclosure with the front face of the swing frame substantially parallel to the front face of the enclosure through a position at which each rigid link 7 is itself substantially parallel to the front face of the enclosure.
  • the extent to which the internal enclosure 1 must exceed the width of the swing frame 5 using the hinge assemblies 6 as described is substantially less than the extent to which the internal width of the enclosure must exceed the width of the swing frame if the same apparatus were supported on the swing frame and hinge assemblies hitherto proposed had been used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
EP89311999A 1988-11-22 1989-11-20 Enceinte pour appareil électrique et/ou électronique Withdrawn EP0370727A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888827274A GB8827274D0 (en) 1988-11-22 1988-11-22 Enclosure for electrical &/electronic apparatus
GB8827274 1988-11-22

Publications (1)

Publication Number Publication Date
EP0370727A1 true EP0370727A1 (fr) 1990-05-30

Family

ID=10647262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89311999A Withdrawn EP0370727A1 (fr) 1988-11-22 1989-11-20 Enceinte pour appareil électrique et/ou électronique

Country Status (2)

Country Link
EP (1) EP0370727A1 (fr)
GB (2) GB8827274D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490303A (zh) * 2013-10-09 2014-01-01 昆山振宏电子机械有限公司 一种电控柜摇门板

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247717B (en) * 1990-09-06 1995-03-08 Raymond Guthrie Hinge element
DE4204558A1 (de) * 1992-02-13 1993-08-19 Krone Ag Verteilergestell

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1332712A (fr) * 1962-06-07 1963-07-19 Commissariat Energie Atomique Dispositif pour faire pivoter un appareillage placé dans un ensemble, notamment pour armoires électroniques
DE7127792U (de) * 1971-07-20 1971-10-28 Siemens Ag Schwenkvorrichtung
DE7628374U1 (de) * 1976-09-10 1976-12-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Befestigungsanordnung für einen Baugruppenträger
FR2590416A1 (fr) * 1985-11-19 1987-05-22 Alsthom Installation de distribution electrique a basse tension

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039212A (en) * 1964-02-04 1966-08-17 Telefunken Patent Improvements in or relating to equipment cabinet structures
AU1851667A (en) * 1967-03-06 1969-09-11 The English Electric Company Of Australia Pty. Limited Mounting of equipment for accessibility
GB2034528B (en) * 1978-11-06 1983-01-06 Gen Electric Equipment housings

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1332712A (fr) * 1962-06-07 1963-07-19 Commissariat Energie Atomique Dispositif pour faire pivoter un appareillage placé dans un ensemble, notamment pour armoires électroniques
DE7127792U (de) * 1971-07-20 1971-10-28 Siemens Ag Schwenkvorrichtung
DE7628374U1 (de) * 1976-09-10 1976-12-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Befestigungsanordnung für einen Baugruppenträger
FR2590416A1 (fr) * 1985-11-19 1987-05-22 Alsthom Installation de distribution electrique a basse tension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490303A (zh) * 2013-10-09 2014-01-01 昆山振宏电子机械有限公司 一种电控柜摇门板

Also Published As

Publication number Publication date
GB8926218D0 (en) 1990-01-10
GB2226458A (en) 1990-06-27
GB8827274D0 (en) 1988-12-29

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